外研版英语九年级上册《My family always go somewhere interesting as soon as the holiday begins》Public holidays PPT课件(第2课时)
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外研版九年级英语上册《My family always go somewhere interesting as soon as the holiday begins》Public holidays PPT课件(第2课时)，共18页。
until的用法
①作介词，意为“直到······”，表示时间，后跟时间点。用于肯定句中，谓语动词用延续性动词；用于否定句中，谓语动词用非延续性动词。
eg：I waited until 3：00，but he didn't come.我一直等到3点钟，但他没来。
②作连词，意为“直到······时候”，引导时间状语从句，常与延续性动词连用。
eg：I'll wait until he comes.我会一直等到他来。
【拓展】not...until意为“直到······才······”，与非延续性动词连用。
eg：I won't go to bed until I finish my homework.直到完成作业，我才上床睡觉。
【辨析】some time，sometime，some times与sometimes
①some time指一段时间。
②sometime指将来或过去的某时。
③some times意为“几次”。
④sometimes意为“有时”，为频率副词，常放在句中或句首。
We only have one day off.我们只放一天假。
off在此意为“不上班”。
And is there anything special on that day？在那天(你们)还有什么特别的事情吗？
形容词修饰不定代词或不定副词时，形容词应后置。
重点词组归纳
since then从那以后
three-day holiday三天的假期
all kinds of各种各样的
have a picnic去野餐
take a vacation去度假
have fun玩得开心
as soon as一······就······
... ... ...
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